def o1():
    print("OK")
def o2(p):
    p()
o2(o1)

def cond1(i):
    return i % 2 == 0
"未使用2函数"
def cond2(i):
    return i > 10
"未使用3函数"
def cond3(i):
    return i % 3 == 0
def list01(alist,cond):
    for i in alist:
        if cond(i):
            yield i
list02 = [12,22,43,55,9,33]
"可以在这里更改使用的函数 cond1()"
l1 = list01(list02,cond1)
for i in l1 :
    print(i)